Macrobiotus annewintersae sp. nov. – buccal apparatus and the oral cavity armature under PCM: A. Dorso-ventral view of the entire buccal apparatus; B, C. Oral cavity armature in dorsal and ventral view, respectively; D, E. Placoid morphology in dorsal and ventral view, respectively. Empty flat arrowheads indicate the second band of teeth, filled indented arrowheads indicate the third band of teeth in the oral cavity, and empty indented arrowheads indicate central constriction in the first macroplacoid and subterminal constriction in the second macroplacoid. A, D and E assembled from several photos. Scale bars in μm.